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陕西省西安市莲湖区测绘仪器厂激光仪器试制组的工人同志在党的“十大”精神鼓舞下,以蚂蚁啃骨头的革命精神,群策群力,狠批林彪鼓吹的“天才论”,自力更生,艰苦奋斗,经过日夜奋战,反复试验了二百余次,终于在1973年9月试制成功了激光水平仪.经实测鉴定,仪器符合设计要求,基本达到预期效果.JSH-1型激光水平仪用波长为6328埃的氦-氖激光器作光源,白天的测量距离为50米以上,晚上为400米以上.
Inspired by the party’s “Top Ten” spirit, the workers’ comrades in the laser instrument trial group of the Lianhu District Surveying and Mapping Instrument Factory in Xi’an City, Shaanxi Province, worked hard together with the revolutionary spirit of ants to bite the bones and relentlessly criticized the “genius theory” advocated by Lin Biao. Struggle, after fighting day and night, repeated trial of more than 200 times, and finally succeeded in September 1973 trial success of the laser level instrument. After the test appraisal, the instrument meets the design requirements, basically achieve the desired results. JSH-1 laser level with a wavelength of 6328 Egypt’s He-Ne laser as a light source, measuring the distance during the day for more than 50 meters, more than 400 meters at night.